Low oil pressure / inconsitant oil pressure
I'm a little concerned. This is a 6CTA, Ref # 53-34874-004 engine # 45358278, model C8.3-325, read that as 325 HP. When first cranked (weather cold -12, or hot 110) the oil pressure gauge on the...
Forum Discussion
powderman426 wrote:dons2346 wrote:
The pressure sensor that feeds the computer is the important one however either sensor not reading pressure will shut the motor down. With tolerance of 10% for the sensor and 10% for the gauge, it is possible to have an error of 20% on the low side. Cummins told me that 10lb of oil pressure at idle is plenty.Some one else in the business says that the dash gauges are for amusement purposes only.
From information I have gathered on truck forums, the part about being for amusement is about right. They say people were always concerned about the low oil pressure these engines run at, so they made an algorithm to make it appear higher to lessen concerns.
the way this one acts makes me more concerned no less.
